<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%@ page import="java.util.*" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %>
<c:set var="greeting" value="How Are You?"/>
<title>여러가지 인사말</title>
본래의 문자열: ${greeting} <br>
대문자로: ${fn:toUpperCase(greeting)} <br>
소문자로: ${fn:toLowerCase(greeting)} <br>
Are의 위치? ${fn:indexOf(greeting,"Are")} <br>
Are를 Were로 바꾸면? ${fn:replace(greeting,"Are","Were")} <br>
문자열 길이? ${fn:length(greeting)} <br>